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Regulations last checked for updates: Jan 18, 2025
Title 21 - Food and Drugs last revised: Dec 26, 2025
All Titles
Title 21
Chapter I
Part 121
Subpart A - Subpart A—General Provisions
§ 121.1 - Applicability.
§ 121.3 - Definitions.
§ 121.4 - Qualifications of individuals who perform activities under subpart C of this part.
§ 121.5 - Exemptions.
authority:
21 U.S.C. 331
,
342
,
350g
,
350
,
371
,
374
source:
81 FR 34219, May 27, 2016, unless otherwise noted.
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